7489996800 has 864 divisors, whose sum is σ = 30255563520. Its totient is φ = 1622016000.

The previous prime is 7489996777. The next prime is 7489996807. The reversal of 7489996800 is 86999847.

It is a super-2 number, since 2×7489996800² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489996807) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 241612785 + ... + 241612815.

Almost surely, 2^7489996800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7489996800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15127781760).

7489996800 is an abundant number, since it is smaller than the sum of its proper divisors (22765566720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7489996800 is a wasteful number, since it uses less digits than its factorization.

7489996800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 7489996800 is about 86544.7676061355. The cubic root of 7489996800 is about 1956.5631844189.

The spelling of 7489996800 in words is "seven billion, four hundred eighty-nine million, nine hundred ninety-six thousand, eight hundred".